#include "dialog_inputserialnum.h"
#include "ui_dialog_inputserialnum.h"
#include "mainwindow.h"

Dialog_InputSerialNum::Dialog_InputSerialNum(class MainWindow *mainWnd, const QString &devName, SANE_Handle handle, const QString &serialNum, const QString &devType) :
    QDialog(mainWnd),
    ui(new Ui::Dialog_InputSerialNum),
    m_mainWnd(mainWnd),
    m_handle(handle),
    m_valid(true),
    m_serialNum(serialNum),
    m_devType(devType)
  , m_devName(devName)
{
    ui->setupUi(this);

    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);

    QFont ft;
    ft.setPointSize(15);
    this->setFont(ft);

    ui->lineEdit_sn->setValidator(new QRegExpValidator(QRegExp("[a-zA-Z0-9]+$")));

    if (handle != nullptr)
    {
        ui->cbox_devType->setEnabled(false);
        ui->cbox_devType->setCurrentText(devType);
        ui->lineEdit_sn->setText(serialNum);
        ui->lineEdit_sn->selectAll();
    }
    else
    {
        ui->cbox_devType->setCurrentIndex(0);
        ui->lineEdit_sn->setText("");
        ui->pbtn_setSn->setEnabled(false);
    }
}

Dialog_InputSerialNum::~Dialog_InputSerialNum()
{
    delete ui;
}

QString Dialog_InputSerialNum::GetSn()
{
    return ui->lineEdit_sn->text();
}

QString Dialog_InputSerialNum::GetDevType()
{
    return ui->cbox_devType->currentText();
}

void Dialog_InputSerialNum::Invalid(const QString &devName)
{
    if (devName == m_devName)
    {
        sane_close(m_handle);
        m_handle = nullptr;
        m_valid = false;
        reject();
    }
}

void Dialog_InputSerialNum::on_pbtn_ok_clicked()
{
    if (!m_valid)
    {
        QMessageBox::information(this, tr("tips"), tr("device is lost"));
        reject();
        return;
    }

    if (ui->lineEdit_sn->text().isEmpty())
    {
        QMessageBox::information(this, tr("tips"), tr("Serial num is empty"));
        return;
    }

    QString str = ui->lineEdit_sn->text();
    for (int i = 0; i < str.size(); ++i)
    {
        if ((str.at(i) < '0' && str.at(i) > '9') || (str.at(i) < 'A' && str.at(i) > 'Z'))
        {
            QMessageBox::information(this, tr("tips"), tr("sn is illegal"));
            return;
        }
    }

    if (m_mainWnd->FindInterface(ui->lineEdit_sn->text()) != nullptr)
    {
        QMessageBox::information(this, tr("tips"), tr("The device is testing"));
        return;
    }
    accept();
}

void Dialog_InputSerialNum::on_pbtn_cancel_clicked()
{
    reject();
}

void Dialog_InputSerialNum::on_pbtn_setSn_clicked()
{
    QString sn = ui->lineEdit_sn->text();
    std::string serialNum = sn.toStdString();
    if(SANE_STATUS_GOOD != sane_io_control(m_handle, IO_CTRL_CODE_SET_SERIAL, &serialNum[0], nullptr))
    {
        QMessageBox::information(this, tr("tips"), tr("set sn failed"));
    }
    else
    {
        ui->lineEdit_sn->setText(m_mainWnd->getDevSn(m_handle));
        QMessageBox::information(this, tr("tips"), tr("set sn succeed"));
    }
}